<template>
    <div class="top-category">
        <div class="container">
            <!-- 面包屑 -->
            <el-breadcrumb separator=">" style="height:50px;line-height:50px;">
                <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
                <el-breadcrumb-item>{{ topCategory.name }}</el-breadcrumb-item>
            </el-breadcrumb>
            <!-- 轮播图 -->
            <el-carousel height="500px" autoplay>
                <el-carousel-item v-for="item in home.bannerList" :key="item.id">
                    <img :src="item.imgUrl" />
                </el-carousel-item>
            </el-carousel>
            <!-- 所有二级分类 -->
            <div class="sub-list">
                <h3>全部分类</h3>
                <ul>
                    <li v-for="item in topCategory.children" :key="item.id">
                        <router-link :to="`/category/sub/${item.id}`">
                            <img :src="item.picture" />
                            <p>{{ item.name }}</p>
                        </router-link>
                    </li>
                </ul>
            </div>
            <!-- 二级分类的商品列表 -->
            <div class="ref-goods" v-for="item in topCategory.children">
                <div class="head">
                    <h3>- {{ item.name }} -</h3>
                    <xtx-more />
                </div>
                <div class="body">
                    <GoodsItem v-for="goods in item.goods" :goods="goods" :key="goods.id" />
                </div>
            </div>
        </div>
    </div>
</template>

<script lang="ts" setup name="TopCategory">
import { ref, watch } from 'vue'
import { useRoute } from "vue-router"
import { ApiRes } from '@/types/data'
import { TopCategory } from '@/types/category';
import request from '@/utils/request'
import useStore from '@/store'
import GoodsItem from './components/goods-item.vue'
const { home } = useStore()
const topCategory = ref({} as TopCategory)
const route = useRoute()
const getTopCategory = async () => {
    const res = await request.get<ApiRes<TopCategory>>(
        `category?id=${route.params.id}`
    )
    topCategory.value = res.data.result
}

watch(
    () => route.params.id,
    () => {
        if (route.fullPath === `/category/${route.params.id}`) {
            getTopCategory()
        }
    },
    {
        immediate: true
    }
)
</script>
<style scoped lang="less">
.top-category {
    h3 {
        font-size: 28px;
        color: #666;
        font-weight: normal;
        text-align: center;
        line-height: 100px;
    }

    .sub-list {
        margin-top: 20px;
        background-color: #fff;

        ul {
            display: flex;
            padding: 0 32px;
            flex-wrap: wrap;

            li {
                width: 168px;
                height: 160px;

                a {
                    text-align: center;
                    display: block;
                    font-size: 16px;

                    img {
                        width: 100px;
                        height: 100px;
                    }

                    p {
                        line-height: 40px;
                    }

                    &:hover {
                        color: @xtxColor;
                    }
                }
            }
        }
    }

    .ref-goods {
        background-color: #fff;
        margin-top: 20px;
        position: relative;

        .head {
            .xtx-more {
                position: absolute;
                top: 20px;
                right: 20px;
            }

            .tag {
                text-align: center;
                color: #999;
                font-size: 20px;
                position: relative;
                top: -20px;
            }
        }

        .body {
            display: flex;
            justify-content: flex-start;
            flex-wrap: wrap;
            padding: 0 65px 30px;
        }
    }
}
</style>
